Server Administration > Change Packages for SCM > User Operations for Custom Change Package Types > To delete a change package in the CLI
  
To delete a change package in the CLI
* 
You cannot undo an im deletecp operation, and you cannot restore deleted change packages.
im deletecp
--[no]confirm
--[no|confirm]deleteEntries
cpid1, cpid2...
where
--[no]confirm specifies if to confirm each individual change package being deleted.
--[no|confirm]deleteEntries specifies if to delete (or confirm deleting) the change package entries.
cpid1, cpid2... specifies the change packages you are deleting.